合う => do something together N3
~こと請け合い => I guarantee ... N1
Happens next
を契機に => as a good opportunity/chance to N2
Expected
[合「あ」]う => To do A together/mutually N4
Secondary Verb
を[機「き」]に => Use A as an opportunity N1
Time, Situation
場合(は) => in the event of; in the case that ~ N4
~ににあわず (に似合わず ) => ~Different from N1
Evaluate
出す => to begin to; to start to; to burst into; ... out (e.g. to jump out, to carry out)​ N4
を[契機「けいき」] => As a good opportunity A, (do) B N2
Information, Report
をきっかけに/を契機に => with… as a start; as a result of; taking advantage of N2